John Fiedler, who plays Hugo, played "Vinnie" in the motion picture version of The Odd Couple (1968).
John Fiedler (Hugo) and Jack Klugman (Oscar) previously starred in Twelve Angry Men (1957) together. They played Juror 2 and Juror 5, respectively.
Hollywood Gossip columnist Rona Barrette plays herself in this episode.
The scene where Iscar is walking Silver was actually shot in Central Park in New York.